201996926540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1\times {\mathrm{697937}}^1$

素因数の和:698474

約数の個数: 48

約数和(自身を含む): 439700940000

約数和(自身を除く): 237704013460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 499, 580, 998, 1996, 2495, 4990, 9980, 14471, 28942, 57884, 72355, 144710, 289420, 697937, 1395874, 2791748, 3489685, 6979370, 13958740, 20240173, 40480346, 80960692, 101200865, 202401730, 348270563, 404803460, 696541126, 1393082252, 1741352815, 3482705630, 6965411260, 10099846327, 20199692654, 40399385308, 50499231635, 100998463270, 201996926540]

約数ペア:

[(1, 201996926540), (2, 100998463270), (4, 50499231635), (5, 40399385308), (10, 20199692654), (20, 10099846327), (29, 6965411260), (58, 3482705630), (116, 1741352815), (145, 1393082252), (290, 696541126), (499, 404803460), (580, 348270563), (998, 202401730), (1996, 101200865), (2495, 80960692), (4990, 40480346), (9980, 20240173), (14471, 13958740), (28942, 6979370), (57884, 3489685), (72355, 2791748), (144710, 1395874), (289420, 697937)]